Jobs at Djinni

Project Description:

Client is a top one in automotive sphere. He has a bunch of projects which are related with tools for testing/emulation of IVI part. Part team is in Detroit and part in Ukraine remote. Projects have parts starting from HW boards and completing with SW part.

Responsibilities:

Testing Balance: 70% Automation / 30% Manual testing split.
Embedded automation: actively contribute and evolve existing automation framework (Python).
Protocols: Hands-on experience with CAN, gRPC, and TCP.
Embedded Systems: Expertise in hardware flashing and embedded environment interaction.
OS: Linux knowledge and CLI proficiency.
CICD: Experience with GitHub Action.
Test Planning: Define the automation strategy for new features, ensuring high coverage for complex automotive use cases.
Reporting & Analytics: Build reports to visualize test results, hardware stability metrics.

Mandatory Skills Description:

Automotive experience
Understanding of CAN
Python: Advanced proficiency to evolve and maintain an existing automation framework.
Protocols: Hands-on experience with CAN, gRPC, and TCP.
Embedded Systems: Expertise in hardware flashing and embedded environment interaction.
OS: Linux knowledge and CLI proficiency.
CICD: Experience with GitHub Action.

Languages:

English: B2 Upper Intermediate

We are a U.S.-based fintech startup operating in the investment and financial services space. Our distributed teams work across Poland, the United States, and Ireland, collaborating on technology-driven solutions related to stocks and investments.

Security, compliance, and the responsible handling of sensitive financial data are central to how we operate, as we build scalable products in a regulated environment.

4-6 years of experience is ok

Responsibilities

— Modernize legacy systems( C#) via redesign and refactoring.

— Build APIs with proper security and lifecycle governance.

— Collaborate with UX, product, and architecture teams.

— Optimize backend performance.

— Support public API documentation and governance.

Skills

— Strong ( C#) Jbackend capability.

— Experience with modernization and migration projects.

— Understanding of microservice and API design.

— Familiarity with CI/CD, linting, testing frameworks.

— Knowledge of security and performance patterns.

— Good collaboration across UX and backend teams.

In addition to this, if you have commercial experience with Java backend or React frontend — it will be a strong plus.

Recruitment steps:

• HR interview (30-45 min)
• Tehnical interview with live coding (40-45 min)
• Final client interview (30-45 min)
• Backround check
• Job Offer

The assignment is for between 26 to 32 months. You will work in a team of 9 engineers. The assignment is to migrate from monolith to microservices.

Important: the candidate must have worked/lived in Poland for the last 2+ years

Please read before applying:

The client is building a product in the bank/investment/brokerage systems niche, and their investors have strict security and compliance requirements, where every person will go through a background check.

What does this mean?

Before making an offer, they will check whether you have violated any EU laws.

For background check — you must be a taxpayer in Poland for 2+ years.

Project Description:

We are seeking a highly skilled Snowflake Data Engineer with 7 years of IT experience to design, build, and optimize scalable data pipelines and cloud-based solutions across AWS, Azure, and GCP. The ideal candidate will have strong expertise in Snowflake, ETL Tools like DBT, Python, visualization tools like Tableau and modern CI/CD practices, with a deep understanding of data governance, security, and role-based access control (RBAC). Knowledge of data modeling methodologies (OLTP, OLAP, Data Vault 2.0), data quality frameworks, Stream lit application development and SAP integration and infrastructure-as-code with Terraform is essential. Experience working with different file formats such as JSON, Parquet, CSV, and XML is highly valued.

Responsibilities:

• Design and develop data pipelines using Snowflake and Snow pipe for real-time and batch ingestion.
• Implement CI/CD pipelines in Azure DevOps for seamless deployment of data solutions.
• Automate DBT jobs to streamline transformations and ensure reliable data workflows.
• Apply data modeling techniques including OLTP, OLAP, and Data Vault 2.0 methodologies to design scalable architectures.
• Document data models, processes, and workflows clearly for future reference and knowledge sharing.
• Build data tests, unit tests, and mock data frameworks to validate and maintain reliability of data solutions.
• Develop Streamlit applications integrated with Snowflake to deliver interactive dashboards and self-service analytics.
• Integrate SAP data sources into Snowflake pipelines for enterprise reporting and analytics.
• Leverage SQL expertise for complex queries, transformations, and performance optimization.
• Integrate cloud services across AWS, Azure, and GCP to support multi-cloud data strategies.
• Develop Python scripts for ETL/ELT processes, automation, and data quality checks.
• Implement infrastructure-as-code solutions using Terraform for scalable and automated cloud deployments.
• Manage RBAC and enforce data governance policies to ensure compliance and secure data access.
• Collaborate with cross-functional teams including business analysts, and business stakeholders to deliver reliable data solutions.

Mandatory Skills Description:

• Strong proficiency in Snowflake (Snowpipe, RBAC, performance tuning).
• Hands-on experience with Python , SQL , Jinja , JavaScript for data engineering tasks.
• CI/CD expertise using Azure DevOps (build, release, version control).
• Experience automating DBT jobs for data transformations.
• Experience building Streamlit applications with Snowflake integration.
• Cloud services knowledge across AWS (S3, Lambda, Glue), Azure (Data Factory, Synapse), and GCP (BigQuery, Pub/Sub).

Nice-to-Have Skills Description:

- Cloud certifications is a plus

Languages:

English: B2 Upper Intermediate

We are looking for a Lead Data Engineer in Warsaw.
Location: Poland-based, with hybrid work from the Warsaw office 2–3 days per week. Fully remote is not available.

This role is for someone who wants to do more than just keep pipelines running. It’s a chance to build the data backbone for People Analytics and AI in a global enterprise setting.

You’d be working on the lakehouse foundation that brings together data from systems like SAP, ServiceNow, and more, with a strong focus on governance, scalability, and serving real business and AI use cases.

It’s a great fit for someone who enjoys ownership, likes building things properly, and wants their work to directly enable analytics, internal products, and AI solutions.
If you know someone strong in data engineering who may be a fit, I’d appreciate a share.

About the job

The Lead Data Engineer is responsible for building, maintaining, and continuously improving the central HR data lake that aggregates data from all systems. In this role, you will ensure the availability of reliable, analytics-ready datasets for internal tools, AI-driven applications, and cross-functional teams. You will act as a key partner to analysts, IT, and business stakeholders, enabling trusted insights, data-driven decisions, and smooth operation of the enterprise HR data ecosystem.

More About The Role

• Build and operate a Databricks Lakehouse / Data Lake for enterprise HR data.
• Integrate multiple data sources (e.g., SAP SuccessFactors, ServiceNow) to ensure seamless and accurate data flow.
• Implement and maintain analytics-ready data models in dbt and convert exploratory datasets into reusable, trusted derived datasets.
• Develop, refactor, and optimize data pipelines using AI-assisted coding tools (CLI-first) in Databricks for speed, quality, and maintainability.
• Provide curated datasets for internal tools, AI-driven applications, and reporting purposes.
• Partner with analysts and business stakeholders to understand data requirements and translate them into robust technical solutions.
• Monitor and improve data quality, governance, and performance across all pipelines and datasets.

More About You

• Minimum 5 years of experience in data engineering.
• Strong hands-on experience with Databricks, SQL, and Python.
• Extensive experience with analytics engineering tools such as dbt.
• Skilled in designing modular data systems (Design Thinking approach).
• Experience enforcing data governance and access management practices.
• Curious, pragmatic, and solution-oriented mindset.
• Careful and disciplined in handling sensitive data.
• Strong awareness of privacy, security, and compliance requirements.
• Fluent in English

More About What We Offer As one of the world’s leading hearing care providers headquartered in Switzerland, we are committed to building an inclusive culture. We create an environment where you can balance a successful career with your commitments and interests outside of work through our flexible hybrid working model. We offer a wide range of training opportunities for both your professional and personal development, along with exceptional growth opportunities supported by individual development plans.

Magdalena Suszek, Talent Acquisition Partner, is looking forward to receiving your application via our online job application platform. For this vacancy only direct applications will be considered.

Sonova is an equal opportunity employer. We team up. We grow talent. We collaborate with people of diverse backgrounds to win with the best team in the market place. We guarantee every person equal treatment in regard to employment and opportunity for employment, regardless of a candidate’s ethnic or national origin, religion, sexual orientation or marital status, gender, genetic identity, age, disability or any other legally protected status.

Project Description:

One of the world's largest providers of products and services to the energy industry has a need to develop and support enterprise information system in Oil & Gas domain.
Product being developed is a cloud solution for interpretation of geological and geophysical data. Project is based on SCRUM methodology.
Our project is stable, long-term and constantly adopts new technologies such as newest Java and Eclipse RCP versions, cloud and GPU computing, microservices architecture and other innovative frameworks.
Work supposes close cooperation with Customer team located in Houston and following Agile principles.
Our team is senior, supportive and friendly.

Responsibilities:

• Collaborate closely with geophysicists, data scientists, and software engineers to translate scientific domain requirements into robust on-prem or Cloud software
solutions.
• Design, develop, and maintain high-performance applications for geophysical and geological data analysis, interpretation and visualization (e.g., seismic, horizon,
fault, velocity model, etc.)
• Present architectural designs and technical proposals to the architecture review board.
• Ability to break down development tasks and lay out clear implementation roadmaps.
• Implement and optimize computation algorithms
• Design and develop both thin and thick client applications that interact with cloud-based microservices.
• Ensure high code quality through unit testing, code reviews, security hardening and continuous integration with other domain tools
• Provide technical support and lead user troubleshooting sessions to resolve issues and ensure smooth operation of DSG application.
• Mentor junior developers and actively contribute to architectural and implementation decisions.
• Embrace Agile/Scrum methodologies, delivering and demonstrating working solutions at the end of each sprint
• Stay current with emerging technologies and trends in geophysical computing and software development.

Mandatory Skills Description:

6+ years of hands-on Java development experience
Strong Java Core knowledge
Experience with desktop development frameworks: Swing, SWT, or Eclipse RCP
Proven experience designing and building complex systems end-to-end, not just maintaining or extending existing ones
Practical understanding of multithreaded programming: ability to implement concurrency in code directly, not only through third-party libraries
Solid knowledge of design patterns and software architecture principles
Ability to clearly articulate past projects, personal responsibilities, and concrete individual contributions
Experience working in non-microservices, non-cloud-native development environments (desktop, embedded, or domain-specific platforms)
Stable career trajectory, no fragmented job history with short tenures

Nice-to-Have Skills Description:

C++ development skills
Practical experience with the Eclipse RCP framework
OSGi knowledge
Oil & Gas domain experience

Languages:

English: B2 Upper Intermediate

Junior SEO Specialist

We are looking for a Junior SEO Specialist to join our friendly team — someone who is eager to grow in this field and dive deep into the specifics of a highly competitive niche.

Requirements
At least 1 year of experience in SEO
English level B1 or higher
Recent hands-on SEO experience within the last year
Solid knowledge of off-page and on-page SEO
Basic to intermediate knowledge of HTML and on-page SEO (semantic markup)
Confident use of SEO tools such as Ahrefs, Screaming Frog, and others, as well as Google Search Console and AI tools
Mandatory experience with CMS WordPress
Proven successful SEO cases and results (with the ability to demonstrate them)
Ability to conduct audits and analysis of websites, rankings, competitors, user behavior, and conversions, and identify growth opportunities
Practical link-building experience and the ability to analyze different types of backlinks
Understanding of search engines and ranking principles (Google)

Nice to have
Experience or interest in the gaming industry
Experience working with projects targeting Western markets
Experience launching projects from scratch
Experience working with large mono-brand or review projects

Responsibilities
Managing the full lifecycle of website launches for Western GEOs — from niche selection to active promotion
SEO analysis: keyword research and clustering, analysis of competitors’ anchor links
Technical SEO audits: conducting technical website audits
Content management: creating and optimizing content, assigning tasks to copywriters, analyzing competitors’ content, and publishing content on the website
Collaborating with SEO specialists, link builders, developers, content managers, designers, and project managers
Link management: analyzing competitors’ backlinks, developing link-building strategies, managing backlink databases, ensuring link quality
Monitoring and analyzing performance and results

We offer
Opportunities for professional growth
Experience in one of the most promising industries
Career development alongside top specialists in the market
A friendly and supportive team environment
Social benefits package, including 100% paid vacation and sick leave
Flexible start and end of the working day
Fully remote work

About the Role

We are looking for a highly skilled and strategic Senior DevSecOps Engineer to lead our security operations and infrastructure automation initiatives. In this role, you will bridge the gap between development, security, and operations, ensuring our on-premise environment remains secure, resilient, and efficient.
You will act as a subject matter expert, leveraging cutting-edge tools like CrowdStrike to automate threat detection and response, while maintaining robust perimeter security via Cloudflare.

Key Responsibilities
Implementation and automation of security tools in the CI/CD process (SAST, DAST, SCA).
Analysis of vulnerabilities in code, infrastructure and containers.
Development and configuration of security monitoring systems, incident response.
Monitoring and improving the security level of on-prem infrastructures.
Interaction with developers, DevOps and security teams to implement secure practices.
Active participation in the processes of IAM configuration, management of certificates, secrets and access policies.
Conducting internal security audits, participation in external (e.g. penetration) tests.

Requirements

Must-have:
Experience: 5+ years of experience in DevSecOps, Security Engineering, or a related field, with at least 2 years in a Senior role.
Tooling Expertise: Deep hands-on experience with the following specific tools:
Baremetal/on-premise infrastructure
Docker (Docker Swarm is a strong plus)
Gitlab CI 
CrowdStrike
Cloudflare
ELK.
SIEM Proficiency: Proven experience deploying and tuning SIEM solutions (e.g., Splunk, Elastic Security, Datadog, or similar).
Infrastructure: Strong background in managing on-premise infrastructure (physical servers, data centers, virtualization, networking).
Scripting: Proficiency in Python, Go, or Bash for automation and tooling.

Nice-to-have:
Experience with Kubernetes and such tools as Wiz.io and Torq.
Previous involvement in high-load, regulated, or 24/7 production environments (e.g., iGaming, FinTech, telecom or similar).

We offer
Fully remote work opportunity
Enhanced leave benefits:
20 days of paid vacation
5 paid days off
14 paid sick leaves
Company clubs & communities
Celebration gifts for personal milestones
Corporate online events, raffles & challenges
Corporate English program
Corporate yoga classes
Team-building activities
Coworking compensation
Training and development programs (internal & external).

Job Vacancy: Graphic and Web Designer

We are looking for experienced Graphic designer to join our team!

Responsibilities:

- Collage creation for banners;

- Development of landing pages;

- Assisting in preparing UI design interfaces;

- Creation of marketing materials for the project;

- Development of GIF animations.

Required Skills:

- At least 2 years of experience in graphic and web design;

- Advanced knowledge of Photoshop:

  •Color correction;

  •Retouching;

  •Ability to work with masks.

- Advanced knowledge of Figma:

  •Working with components;

  •Working with Auto Layouts;

  - Preparing responsive layouts.

- Experience in prompt engineering:

  •Ability to work with AI tools (Midjourney, ChatGPT);

- Basic knowledge of:

  •After Effects animation;

  •Illustrator;

  •Photoshop animation;

  •Prepress preparation;

- Proficiency in English.

Personal Qualities:

- Independence;

- Desire to learn;

- Responsibility.

We offer:

-Remote work with a 5/2 schedule.

-Paid training (100% coverage for short courses, 30-50% for more advanced ones).

-English lessons for employees.

-20 vacation days + 5 additional day-offs, paid sick leave.

We are looking for an attentive and responsible Electronics Assembler who will work with SMD components and ensure high‑quality PCB assembly. The role involves manual soldering, microscope work, and strict adherence to technological and ESD requirements.

Responsibilities:

• Manual assembly of basic SMD components
• Component removal and replacement under mentor supervision
• Cleaning PCBs after soldering
• Visual inspection of solder quality under a microscope
• Following technological instructions and ESD requirements

• Maintaining a clean and organized workspace

   

Requirements:

• Basic manual soldering skills for SMD components
• Experience working with 0603 / 0805 components (0402 is a plus)
• Ability to solder simple packages: SOT, SOP/SOIC
• Basic experience with a soldering station, hot air gun, and microscope
• Understanding of assembly drawings, component orientation, and polarity
• Knowledge of ESD protection practices
• Accuracy, attention to detail, patience
• Ability to work according to instructions
• Willingness to learn and grow professionally

• Responsible attitude toward work quality

   

Nice to Have:

• Experience assembling 0402 (ideally 0201) components
• Ability to solder QFN / DFN, LQFP / TQFP packages
• Experience working with RF boards and high‑frequency circuits
• Understanding of RF‑component soldering specifics (minimal overheating, solder geometry control)
• Experience with BGA assembly or rework
• Background in small‑batch or prototype production
• Skills in rework/replacement of QFN / LQFP / small RF components
• Understanding of reflow soldering thermal profiles

The company offers:

• Official employment with a competitive salary and clear, transparent terms of cooperation.
• Paid vacation (24 calendar days per year) and paid sick leave.
• Deferment from military service.
• An atmosphere of trust, open communication, and leadership — initiative is welcomed, ideas are brought to life, and the team supports your progress.
• English language classes.
• Compensation for educational and training programs.
• Team buildings and corporate events in a friendly and collaborative environment.

A Consumer Care Specialist will act as a liaison, provide app/product/services information, and resolve any emerging problems that our consumer might face with accuracy and efficiency. Consumer Care Specialist will assist consumers with issues when using the our Surveys app and validate consumer survey responses using internal data scrubbing software.

Responsibilities:

• Identify consumer needs and respond to consumer queries quickly and accurately via Zendesk or phone.
• Analyze and report SOTG app’s or surveys malfunctions immediately to team/management.
• Provide consumers with accurate, valid, and complete information using the right CCU’s policies/methods/tools.
• Monitor consumer complaints on social media (i.e., Facebook page) and reach out to assist.
• Meet personal/CCU's SLAs and targets.
• Share feature requests and effective workarounds with team members.
• Gather consumer feedback and share it with the management.
• Assist in training junior Consumer Care Specialists.

Required Qualifications and Skills:

• Fluent in English, both writing and speaking;
• Passionate about delivering a great experience to customers;
• Ability to communicate professionally by phone and email;
• Ability to cultivate positive working relationships with customers and co-workers;
• Highly organized and able to maintain customer data and schedules;
• Strong knowledge and experience using Chrome and social media.
• Working schedule Saturday to Wednesday from 16:00 to 01:00 Kyiv time

We offer

• Great office location 3 minutes from Pecherska metro station and great office conditions;
• Flexible working hours;
• Comfortable working place;
• Medical insurance after the trial period ending;
• Team-building activities;
• Possibility of business trips to the US;
• 24 paid vacation days per year;
• 5 paid sick leave days per year.

Responsibilities

• Manage CEO’s calendar, meetings, and priorities
• Track tasks, decisions, and deadlines; follow up until completion
• Send timely reminders and ensure commitments are met
• Plan schedules and meetings
• Coordinate communication with teams and partners
• Handle orders, logistics, and administrative tasks
• Maintain organized systems, documents, and records
• Provide proactive, reliable day-to-day support to the CEO

Skills & Qualifications

• Advanced English (written and spoken)
• Highly organized, detail-oriented, and reliable
• Strong follow-up and time-management skills
• Ability to prioritize and manage multiple tasks
• Excellent communication and discretion
• Proactive, self-driven, and solution-oriented

• Readiness to work from 11:00 to 20:00 Kyiv time
   

  We offer

• Medical insurance after the trial period ending;
• Team-building activities;
• 24 paid vacation days per year;
• 5 paid sick leave days per year.

SKELAR is a venture builder that creates international IT companies according to venture capital investment guidelines. Together with our co-founders, we assemble solid and efficient teams to launch tech businesses that will succeed globally.
 

Right now, we’re looking for a Middle/Senior User Acquisition Manager who will help lead one of the key marketing streams on Meta for our partner company, Duomo.

Duomo is an app rooted in Christian values, helping people turn Scripture into daily habits and inner peace. We’re building a leading Christian-tech product for people seeking spiritual renewal.

You will have the opportunity to:

— See the results of your work in real time
— Rapidly grow in performance marketing
— Help build the #1 business in the niche
— Learn how tech businesses are built — directly from the source
— Work with a team of highly driven, results-focused people

What you will be responsible for:

— Creating and executing the user acquisition strategy on Meta
— Managing marketing campaigns to hit target financial KPIs, evaluating performance both on top-level metrics (CPM, CTR, CR, CPA) and deeper metrics (funnel conversion, LTV, ROI)
— Driving process automation strategy together with analytics and MarTech teams
— Closely collaborating with creative and product marketing teams to drive growth of your stream

What you need to succeed in this role:

— 2+ years of experience in performance marketing, driving user acquisition on paid channels (Meta, TikTok, Google Media)
— Experience managing budgets of $300,000+ per month
— Hands-on experience with automating user acquisition processes
— Strong structure and organization: you love documenting and testing everything, validating every possible hypothesis, and won’t stop until you find the most effective solution
— Strong analytical mindset: you enjoy working with data, spotting patterns, and drawing conclusions
— Comfort working in uncertainty, fast learning, and adaptability
— English level: B2+

Why Duomo

— You’ll work on a product with a clear mission and real values.
— You’ll help us transition from a content-rich app into a truly connected spiritual platform.
— You’ll be early enough to influence how product is done at Duomo long-term.

What we offer:

— Competitive salary;
— Significant impact on a rapidly growing business and contribution to how it shapes up;
— Ample career opportunities for ambitious growth and development;
— A possibility to attend internal, external courses, seminars and the access to a corporate library;
— Comfortable working environment. We provide all necessary work equipment for your role and serve complimentary breakfasts, lunches, and snacks in the office;
— 20 days of paid vacation, medical insurance and a variety of sports activities available for employees inside and outside the office.

Let's build the next big everything together!

Looking for a full-stack developer for a long-term project with an EdTech platform that has been operating for 15 years and has thousands of active users. 

The team is small: a tech lead, a frontend/payments developer, and a QA engineer. You will own tickets end to end - from reading to deploy - without hand-holding.

Stack: Ruby on Rails, Next.js, React, PostgreSQL, Nginx, Docker, Tailwind CSS, Render.

Requirements:

• 2-5 years of experience with Ruby on Rails and React/Next.js
• Experience deploying to managed PaaS platforms (Render, Vercel, Railway, or similar)
• AI-native workflow: you use Cursor, Claude, Copilot, or similar tools daily
• Strong async communication, clean PRs, questions before starting, not after shipping
• Russian or Ukrainian language for team communication

Conditions: remote, 30+ hrs/week, $25-40/hr, 6+ months with potential to go full-time.

Our client is a fast-growing digital platform that transforms how organizations manage complex financial workflows and user roles across multiple tiers. We’re looking for an skilled and proactive Angular developer to join a lean and agile engineering team working on a modern, modular, performance-optimized web application. The ideal candidate will be able to take full ownership of features, ensure real-time performance and fast pace of development.

You will be joining a project that combines user-centric dashboards, secure document flows, automated validation systems, visual analytics, and flexible admin tools — all designed to simplify interaction between companies, consultants, and regulatory bodies.

Responsibilities

• Enhance table components using Angular 12+
• Update real-time dashboards, tables, charts to Angular 21+
• Work with real-time data using WebSockets-based API
• Participate in architecture discussions
• Handle large datasets optimizing rendering performance
• Provide estimations
• Deliver features on time
• Maintain high code quality
• Collaborate and communicate efficiently with your team 

Requirements

• Good knowledge of Angular (12+)
• Strong understanding of RxJS, Observables, and reactive UI patterns
• Knowledge of Angular Material
• Understanding of browser runtime, rendering pipeline
• Understanding of performance optimizations in real-time updates via WebSockets
• Ability to debug, refactor, and optimize large-scale applications

Nice to Have

• Experience with complex forms, step-by-step user flows
• Excellent communication skills

We look forward to your application!